2.5 Iron Duke

X-body (FWD) · 1980–1984

The 2.5 Iron Duke is a front-drive X-body Omega sedan with a 2.5-litre four-cylinder petrol engine and a manual gearbox. Output is 90 PS and 174 Nm, and it was built from 1980 to 1984.

89 hpPower

1980-1984Year

Engineering passport

Specifications

Powertrain

Engineering details

Displacement2.5 L

Cylinders4

FuelPetrol

TransmissionManual

Performance

Numbers that matter

Power89 hp

Torque174 Nm

STORY

The Omega was a compact car sold from 1973 to 1984. The first generations were rear-wheel-drive X-body cars sharing the Chevrolet Nova's body, with a 250 cu in inline-six or a 350 cu in V8. In 1980 the Omega moved to GM's new front-wheel-drive X-body platform, shared with the Chevrolet Citation, using the 2.5-litre Iron Duke four and an optional 2.8-litre V6. The SX version with the 2.8-litre high-output V6 was sold from 1981.

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